I have 1.36.1, and I was able to get most Cheats working.
Here's the thing, Make absolutely sure you used the v0.51-0.74 Cheat Code Pack. If you used the v0.75-0.82 Cheat Code Pack by mistake, the cheats won't load. I had the Same issue you did when i used the .82 pack, but when I used the .74...